If you want set a dynamic DNS in your new D-link DSL-2750B the steps are the following:
1) Create a account (free only for D-link router) in Dlink DDNS service at following address:
http://www.dlinkddns.com
i.e.
2) Enable Remote Management in your Router
1) Create a account (free only for D-link router) in Dlink DDNS service at following address:
http://www.dlinkddns.com
i.e.
2) Enable Remote Management in your Router
3) fill the DNS Setup in this way:
4) Check that the Firewall in not enable:
5) now you can try with your browser if all work; then you can put the host in your browser and you can verify that the page of the router is showed:
NOTE: if you have a webcam or another device liked in your intranet and you want access to it from web, you have to enable a port in your router.
i.e.
We want enable the ipwebcam on port 8585
Step 1: configure your ipwebcam (suppose that the internal ip is 192.168.1.48)
Step 2: enable the port 8585 in your router in this way:
Now you can try with your browser: